Commit ccf54555 authored Nov 11, 2014 by Cristina Ciocan Committed by Jonathan Cameron Nov 15, 2014

iio: Fix IIO_EVENT_CODE_EXTRACT_DIR bit mask



The direction field is set on 7 bits, thus we need to AND it with 0111 111 mask
in order to retrieve it, that is 0x7F, not 0xCF as it is now.

Fixes: ade7ef7b (staging:iio: Differential channel handling)
Signed-off-by: Cristina Ciocan <cristina.ciocan@intel.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

parent b598aacc

include/linux/iio/events.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -72,7 +72,7 @@ struct iio_event_data {

		#define IIO_EVENT_CODE_EXTRACT_TYPE(mask) ((mask >> 56) & 0xFF)

		#define IIO_EVENT_CODE_EXTRACT_DIR(mask) ((mask >> 48) & 0xCF)
		#define IIO_EVENT_CODE_EXTRACT_DIR(mask) ((mask >> 48) & 0x7F)

		#define IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(mask) ((mask >> 32) & 0xFF)